[INFO] cloning repository https://github.com/Cancain/rust_arena [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cancain/rust_arena" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCancain%2Frust_arena", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCancain%2Frust_arena'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 139f1603368b07ced0078101143c2aafa2854a6a [INFO] checking Cancain/rust_arena against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCancain%2Frust_arena" "/workspace/builds/worker-83/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Cancain/rust_arena on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Cancain/rust_arena [INFO] finished tweaking git repo https://github.com/Cancain/rust_arena [INFO] tweaked toml for git repo https://github.com/Cancain/rust_arena written to /workspace/builds/worker-83/source/Cargo.toml [INFO] crate git repo https://github.com/Cancain/rust_arena already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4b06e51daf810ac4fe51e9d1099b0198b899c2e63f88829af10464b8e1396b2d [INFO] running `Command { std: "docker" "start" "-a" "4b06e51daf810ac4fe51e9d1099b0198b899c2e63f88829af10464b8e1396b2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b06e51daf810ac4fe51e9d1099b0198b899c2e63f88829af10464b8e1396b2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b06e51daf810ac4fe51e9d1099b0198b899c2e63f88829af10464b8e1396b2d", kill_on_drop: false }` [INFO] [stdout] 4b06e51daf810ac4fe51e9d1099b0198b899c2e63f88829af10464b8e1396b2d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d6237dbbc3c58e192bee9461427be9b5472cd8db49f7a5c0956b163f6cb4004 [INFO] running `Command { std: "docker" "start" "-a" "4d6237dbbc3c58e192bee9461427be9b5472cd8db49f7a5c0956b163f6cb4004", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo. [INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously. [INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html [INFO] [stderr] When building the following dependencies, the given features will no longer be used: [INFO] [stderr] [INFO] [stderr] lazy_static v1.3.0: spin, spin_no_std [INFO] [stderr] [INFO] [stderr] Checking spin v0.5.0 [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling rand_chacha v0.2.0 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking getrandom v0.1.6 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking rust_arena v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stdout] warning: value assigned to `game_on` is never read [INFO] [stdout] --> src/characters.rs:34:29 [INFO] [stdout] | [INFO] [stdout] 34 | "e" | "exit" => game_on = false, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `game_on` is assigned to, but never used [INFO] [stdout] --> src/characters.rs:20:35 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn start_new_player_character(game_on: bool) -> Character { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_game_on` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mut game_on = true; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0384]: cannot assign to immutable argument `game_on` [INFO] [stdout] --> src/characters.rs:34:29 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn start_new_player_character(game_on: bool) -> Character { [INFO] [stdout] | ------- help: consider making this binding mutable: `mut game_on` [INFO] [stdout] ... [INFO] [stdout] 34 | "e" | "exit" => game_on = false, [INFO] [stdout] | ^^^^^^^^^^^^^^^ cannot assign to immutable argument [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0384`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_arena` due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: value assigned to `game_on` is never read [INFO] [stdout] --> src/characters.rs:34:29 [INFO] [stdout] | [INFO] [stdout] 34 | "e" | "exit" => game_on = false, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `game_on` is assigned to, but never used [INFO] [stdout] --> src/characters.rs:20:35 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn start_new_player_character(game_on: bool) -> Character { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_game_on` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mut game_on = true; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0384]: cannot assign to immutable argument `game_on` [INFO] [stdout] --> src/characters.rs:34:29 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn start_new_player_character(game_on: bool) -> Character { [INFO] [stdout] | ------- help: consider making this binding mutable: `mut game_on` [INFO] [stdout] ... [INFO] [stdout] 34 | "e" | "exit" => game_on = false, [INFO] [stdout] | ^^^^^^^^^^^^^^^ cannot assign to immutable argument [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0384`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] [stderr] error: failed to migrate to next edition [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "4d6237dbbc3c58e192bee9461427be9b5472cd8db49f7a5c0956b163f6cb4004", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d6237dbbc3c58e192bee9461427be9b5472cd8db49f7a5c0956b163f6cb4004", kill_on_drop: false }` [INFO] [stdout] 4d6237dbbc3c58e192bee9461427be9b5472cd8db49f7a5c0956b163f6cb4004